BioMedical Admissions Test (BMAT) Practice Test 2026 - Free BMAT Practice Questions and Study Guide

In the context of the formula for acceleration, 'a' specifically represents acceleration, measured in meters per second squared (m/s²). Acceleration is defined as the rate of change of velocity over time, indicating how quickly an object's velocity is changing. This formula captures how the velocity of an object increases or decreases over a given time period.

Understanding this distinction is crucial, as acceleration is a fundamental concept in physics that describes the dynamics of motion. The other options, while related to motion and force, do not accurately represent what 'a' signifies within the context of this formula. Change in velocity pertains to the variation in velocity but does not reflect the rate at which that change occurs. Time, although essential for calculating acceleration, is not what 'a' denotes. Similarly, force is a different physical quantity, measured in newtons (N), and is often described by Newton's second law of motion, where it is related to mass and acceleration (F = ma). Thus, recognizing 'a' as acceleration provides a clear understanding of what is being measured in the context of motion.